Learn more about the historic voyage of the H.M.S. Challenger. Scientists from all disciplines set out on December 21, 1872 for a four year research cruise to map the sea and its contents. This voyage paved the way for...

The Arizona-Sonora Desert Museum (ASDM) has been quite the authority on this unique region of the United States for well over 50 years. With funding from the Institute of Museum and Library Services (IMLS), they have...

This lesson plan from the Florida Advanced Technological Education (FL-ATE) Center includes a group of materials on the trebuchet. Available materials include a downloadable simulation, a classroom exercise, and...

The Panama Canal was quite an undertaking of labor and engineering, and by the time it was completed on August 15th, 1914 the project had been underway (in some form) for well over two decades. Along the way, over 55...

One doesn't have to look far to find social entrepreneurs working on a range of projects, including crowdsourcing new technological innovation and creating web-based tools to improve the delivery of public services. The...